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“超级显微镜”解决卡脖子难题
Jing Ji Ri Bao· 2025-10-09 22:40
Core Insights - The first domestically developed boron neutron capture therapy device has been successfully used to treat a recurrent nasopharyngeal cancer patient in Dongguan, Guangdong Province, marking a significant advancement in cancer treatment technology [1] - The Chinese Spallation Neutron Source (CSNS) is recognized as a "super microscope" and serves as a typical case of technology transfer in the field of large scientific instruments [1][2] - The CSNS aims to enhance medical accessibility by enabling local hospitals to operate such advanced equipment [1] Group 1 - The CSNS has expanded its neutron spectrometer terminals from 3 to 11 during the 14th Five-Year Plan, contributing significantly to solving critical national technological challenges [2] - The CSNS has facilitated breakthroughs in various scientific fields, including superconducting materials and nanomaterials, by providing ideal probes for research [2] - The CSNS has completed 14 rounds of open access for global scientists, with over 9,000 registered users and nearly 2,300 research projects conducted [2] Group 2 - The second phase of the CSNS project has commenced, with an expected completion date in 2029, which will enhance its performance by five times and increase the number of experimental terminals to 20 [2] - The CSNS is positioned to better serve national strategic needs by covering all areas of neutron scattering research [2]
【新华社】我国首台脉冲型散裂中子源如何工作?专家为你解答
Xin Hua She· 2025-10-07 04:05
Core Viewpoint - The China Spallation Neutron Source (CSNS) serves as a "super microscope" for studying the microstructure of materials, significantly contributing to scientific innovations in energy, physics, and materials, thereby impacting daily life [1] Group 1: Technology and Functionality - The P-band high-power metamaterial slow-wave tube is a crucial component of the CSNS, acting as the "engine" for the linear accelerator by providing energy and power to the beam [1] - The slow-wave tube operates at a frequency of 324 MHz, which is within the P-band frequency range, and its design includes a special structure that reduces its overall size [1] - This component enhances the efficiency of the CSNS by offering a smaller size, better performance, and lower costs, thus facilitating advanced scientific research [1]
【中国新闻网】北京同步辐射装置将重启开放 高能同步辐射光源年底试运行
Zhong Guo Xin Wen Wang· 2025-07-23 03:05
Core Insights - The High Energy Photon Source (HEPS) Phase I has successfully achieved full output from 15 beamlines, marking a significant milestone in its development [5][7] - The HEPS is set to begin trial operations by the end of 2025, which will enhance research capabilities in various scientific fields [4][7] Development and Operations - The Beijing Synchrotron Radiation Facility (BSRF) has been operational since 1990 and is the first synchrotron radiation source in China, providing a platform for research in fields such as condensed matter physics, chemistry, and life sciences [6][8] - The HEPS is designed to meet national needs and promote industrial innovation, offering advanced experimental methods and high-energy X-rays for detailed material analysis [7][8] Future Plans - The HEPS project team aims to expand the number of beamlines to 45 within the next five years, enhancing its capacity to support cutting-edge research and industrial development [9][10] - The recent user conference included 11 keynote presentations and numerous reports, showcasing the operational status and research achievements of various synchrotron facilities [10]
中国同步辐射光源为重大研发提供有力支撑
Ke Ji Ri Bao· 2025-07-23 00:55
Core Insights - The High Energy Synchrotron Radiation Source (HEPS) is set to complete its first phase by the end of 2025, with all 15 beamlines operational, providing significant support for major research and development initiatives [1][2] Group 1: HEPS Development and Capabilities - HEPS is designed to be the highest brightness fourth-generation synchrotron radiation source globally, capable of producing high-energy X-rays with strong penetration power, enabling real-time and precise observation of material structures [2] - The HEPS team is actively engaging with research institutions and leading enterprises to gather experimental proposals and major R&D needs, ensuring that the facility meets user requirements upon commissioning [3] Group 2: BSRF Contributions and Future Plans - The Beijing Synchrotron Radiation Facility (BSRF) has been a crucial research platform for over 30 years, contributing to various fields such as physics, chemistry, and biology, with notable achievements including the structural analysis of the SARS virus [2] - BSRF will retain 8 beamlines post-upgrade of the Beijing Electron-Positron Collider in May 2025, continuing to provide open access for scientific research [2] Group 3: Future Expansion and Collaboration - The HEPS facility has the potential to accommodate up to 90 beamlines, with plans to construct 45 beamlines during the 14th Five-Year Plan period, enhancing support for cutting-edge basic research and industrial R&D [3] - The HEPS team is exploring new investment models and deep collaboration with research and enterprise users to facilitate the ongoing construction of beamlines [3]
X射线三维成像“飞入寻常实验室”
Ke Ji Ri Bao· 2025-05-07 00:53
Core Viewpoint - The research team from the University of Michigan has developed a laboratory-grade 3DXRD system that successfully implements X-ray three-dimensional diffraction technology (3DXRD) in conventional experimental environments, making this advanced technique accessible for materials science research [1][2]. Group 1: Technology Development - The new laboratory-grade 3DXRD system utilizes a liquid metal jet anode, which avoids melting risks and significantly enhances X-ray output strength compared to traditional solid metal anodes [2]. - The system allows for the construction of three-dimensional images of materials by exposing millimeter-sized samples to extremely high-intensity X-ray beams, which are a million times stronger than medical X-rays [1][2]. Group 2: Research Implications - The laboratory-grade 3DXRD system accurately identified 96% of crystal structures in titanium alloy samples, demonstrating superior performance, especially for large crystals over 60 micrometers [2]. - This breakthrough enables researchers to conduct preliminary experiments at any time, overcoming the limitations of waiting for access to synchrotron facilities, which typically have a maximum experimental time of six days [2]. Group 3: Future Prospects - The research team anticipates that equipping the system with higher sensitivity detectors will allow for the capture of finer crystal features, further enhancing the capabilities of materials research [2]. - The development of this technology is expected to revolutionize the study of materials under repeated stress, such as thousands of cyclic load tests, providing deeper insights into the long-term evolution of material properties [2].